Cita APA (7th ed.)

THOMPSON, A., & MARTINET, A. (1981). A practical english grammar: Exercises 2.-- Ed.2. ELBS and Oxford University.

Cita Chicago (17th ed.)

THOMPSON, A.J, i A.V MARTINET. A Practical English Grammar: Exercises 2.-- Ed.2. London: ELBS and Oxford University, 1981.

Cita MLA (9th ed.)

THOMPSON, A.J, i A.V MARTINET. A Practical English Grammar: Exercises 2.-- Ed.2. ELBS and Oxford University, 1981.